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Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma

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TRPA1: An asthma target with a zing.

Sven-Eric Jordt^1,2,3

¹Department of Anesthesiology, Duke University School of Medicine, Durham, NC.

The Journal of Experimental Medicine

|February 24, 2021

Summary

Sensory nerves play a key role in asthma. A new TRPA1 inhibitor drug effectively reduced airway inflammation and smooth muscle contraction in preclinical asthma models.

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Area of Science:

Immunology
Neuroscience
Pharmacology

Background:

Asthma treatment has advanced, yet many patients show poor response to existing therapies.
The role of sensory nerves in asthma pathogenesis is an emerging area of research.

Purpose of the Study:

To investigate the role of sensory nerves in asthma.
To evaluate the therapeutic potential of TRPA1 inhibition in asthma models.

Main Methods:

Utilized preclinical asthma models.
Administered a novel inhibitor targeting the TRPA1 receptor, a nerve receptor involved in sensing irritants and endogenous mediators.

Main Results:

The TRPA1 inhibitor demonstrated significant suppression of airway inflammation.
The inhibitor also effectively reduced airway smooth muscle contraction in the studied preclinical species.

Conclusions:

Sensory nerve activation, specifically via TRPA1, contributes to asthma pathology.
TRPA1 inhibition represents a promising therapeutic strategy for managing asthma, particularly in patients with poor response to current treatments.